APA aipamena

Donald D Osburn & Kenneth C Schneeberger. (1978). Modern agriculture management. Reston publishing co.

Chicago Style aipamena

Donald D Osburn and Kenneth C Schneeberger. Modern Agriculture Management. Reston publishing co, 1978.

MLA aipamena

Donald D Osburn and Kenneth C Schneeberger. Modern Agriculture Management. Reston publishing co, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.